首楞嚴義疏注經 4.526

4.526

離合觸摩，湛圓隨妄，覺觸相待，摶取成根，能造所造二具八法，是不可見，寄所依處如腰鼓顙。

Separation and contact rubbing together, the still and perfect accords with the false; feeling and contact depending on each other, moulding and seizing to become a faculty. The primary elements that create and the secondary forms created both possess the eight dharmas and are invisible; borrowing the locus on which they rely, it is like an hourglass drum.